#VU101137 Out-of-bounds write in MediaTek products - CVE-2024-20131

Vulnerability identifier: #VU101137

Vulnerability risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-20131

CWE-ID: CWE-787

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MT2737
Mobile applications / Mobile firmware & hardware
MT2739
Mobile applications / Mobile firmware & hardware
MT6789
Mobile applications / Mobile firmware & hardware
MT6813
Mobile applications / Mobile firmware & hardware
MT6815
Mobile applications / Mobile firmware & hardware
MT6835
Mobile applications / Mobile firmware & hardware
MT6835T
Mobile applications / Mobile firmware & hardware
MT6855
Mobile applications / Mobile firmware & hardware
MT6878
Mobile applications / Mobile firmware & hardware
MT6878T
Mobile applications / Mobile firmware & hardware
MT6879
Mobile applications / Mobile firmware & hardware
MT6886
Mobile applications / Mobile firmware & hardware
MT6895
Mobile applications / Mobile firmware & hardware
MT6895T
Mobile applications / Mobile firmware & hardware
MT6896
Mobile applications / Mobile firmware & hardware
MT6897
Mobile applications / Mobile firmware & hardware
MT6899
Mobile applications / Mobile firmware & hardware
MT6980
Mobile applications / Mobile firmware & hardware
MT6980D
Mobile applications / Mobile firmware & hardware
MT6983
Mobile applications / Mobile firmware & hardware
MT6985
Mobile applications / Mobile firmware & hardware
MT6986
Mobile applications / Mobile firmware & hardware
MT6986D
Mobile applications / Mobile firmware & hardware
MT6988
Mobile applications / Mobile firmware & hardware
MT6989
Mobile applications / Mobile firmware & hardware
MT6990
Mobile applications / Mobile firmware & hardware
MT6991
Mobile applications / Mobile firmware & hardware
MT8673
Mobile applications / Mobile firmware & hardware
MT8676
Mobile applications / Mobile firmware & hardware
MT8795T
Mobile applications / Mobile firmware & hardware
MT8798
Mobile applications / Mobile firmware & hardware

Vendor: MediaTek

Description

The vulnerability allows a local privileged application to execute arbitrary code.

The vulnerability exists due to an incorrect bounds check within Modem. A local privileged application can execute arbitrary code.

Mitigation
Install security update from vendor's website.

Vulnerable software versions

MT2737: All versions

MT2739: All versions

MT6789: All versions

MT6813: All versions

MT6815: All versions

MT6835: All versions

MT6835T: All versions

MT6855: All versions

MT6878: All versions

MT6878T: All versions

MT6879: All versions

MT6886: All versions

MT6895: All versions

MT6895T: All versions

MT6896: All versions

MT6897: All versions

MT6899: All versions

MT6980: All versions

MT6980D: All versions

MT6983: All versions

MT6985: All versions

MT6986: All versions

MT6986D: All versions

MT6988: All versions

MT6989: All versions

MT6990: All versions

MT6991: All versions

MT8673: All versions

MT8676: All versions

MT8795T: All versions

MT8798: All versions

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External links
https://corp.mediatek.com/product-security-bulletin/December-2024

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.